1. Defective
Wirespan 600 /
610
Activate the local loopback. Check
that the local WireSpan 600 / 610
SYN indicator is On.
If indicator off, turn the local
Wirespan 600 / 610 on with the
local loopback activated.
Check that the BPV and AIS alarm
indicator turns off. If not, replace
the WireSpan 600 / 610
3
BPV indicator on the
local Wirespan 600 /
610 blinks
2. Problems on
the E1 link
Troubleshoot the E1 link between
the local and the remote WireSpan
600 / 610
1. Local user’s
equipment is
off, or is idle
Check that the user’s equipment is
powered, and its control signal
lines are asserted. Perform self-test
on the equipment
4
Data port control
signals are off
2. Defective cable Activate the local loopback, and
check that the local user;s
equipment receives its own
transmission. If not, replace the
cable connecting it to the Wirespan
600 / 610
1. External
problem
Activate the digital loopback, and
check remote E1 equipment
receives its own transmission. If
not, troubleshoot the remote
Wirespan 600 /610 and thee E1
link
2. Problem at
local end
Perform the activities listed in
No.4 above
5 Local
equipment
does
not receive the data
sent by the remote
equipment
3. Problem at
remote end
Perform the activities listed in
No.4 above
6
No transmission of
data
Data port
interface not
inserted correctly
Re-insert data port interface cable
4-4